1. Community studies on adolescent substance use, abuse, or dependence and psychiatric comorbidity;Armstrong;J.Consult. Clin. Psychol,2002
2. Development of a short questionnaire for use in epidemiological studies of depression in children and adolescents;Angold;Int. J. Methods Psychiatr. Res,1995
3. Bejarano, J., Carvajal, H., San Lee, L., 1995. Estudio nacional sobre el consumo de drogas. Instituto sobre Alcoholismo y Farmacodependencia, Costa Rica.
4. Bejarano, J., Obando, P., Ugalde, F., 2000. Evaluación del programa Trazando el Camino. Instituto sobre Alcoholismo y Farmacodependencia, Costa Rica.
5. The association of depression and problem drinking: analyses from the Baltimore ECA follow-up study;Crum;Addict. Behav,2001